/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 12:56:56,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 12:56:56,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 12:56:56,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 12:56:56,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 12:56:56,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 12:56:56,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 12:56:56,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 12:56:56,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 12:56:56,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 12:56:56,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 12:56:56,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 12:56:56,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 12:56:56,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 12:56:56,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 12:56:56,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 12:56:56,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 12:56:56,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 12:56:56,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 12:56:56,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 12:56:56,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 12:56:56,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 12:56:56,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 12:56:56,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 12:56:56,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 12:56:56,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 12:56:56,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 12:56:56,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 12:56:56,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 12:56:56,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 12:56:56,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 12:56:56,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 12:56:56,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 12:56:56,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 12:56:56,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 12:56:56,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 12:56:56,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 12:56:56,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 12:56:56,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 12:56:56,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 12:56:56,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 12:56:56,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 12:56:56,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 12:56:56,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 12:56:56,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 12:56:56,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 12:56:56,562 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 12:56:56,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 12:56:56,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 12:56:56,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 12:56:56,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 12:56:56,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 12:56:56,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 12:56:56,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 12:56:56,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 12:56:56,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 12:56:56,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 12:56:56,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 12:56:56,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 12:56:56,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 12:56:56,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 12:56:56,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 12:56:56,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 12:56:56,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 12:56:56,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 12:56:56,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 12:56:56,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 12:56:56,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 12:56:56,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 12:56:56,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 12:56:56,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 12:56:56,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 12:56:57,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 12:56:57,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 12:56:57,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 12:56:57,014 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 12:56:57,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2021-02-23 12:56:57,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5592270e2/4872455be5d3408291e763d986587c97/FLAG292e95b3a [2021-02-23 12:56:57,766 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 12:56:57,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c [2021-02-23 12:56:57,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5592270e2/4872455be5d3408291e763d986587c97/FLAG292e95b3a [2021-02-23 12:56:58,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5592270e2/4872455be5d3408291e763d986587c97 [2021-02-23 12:56:58,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 12:56:58,098 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 12:56:58,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 12:56:58,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 12:56:58,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 12:56:58,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429e1beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58, skipping insertion in model container [2021-02-23 12:56:58,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 12:56:58,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 12:56:58,347 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c[3019,3032] [2021-02-23 12:56:58,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:56:58,458 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 12:56:58,518 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product10.cil.c[3019,3032] [2021-02-23 12:56:58,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:56:58,650 INFO L208 MainTranslator]: Completed translation [2021-02-23 12:56:58,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58 WrapperNode [2021-02-23 12:56:58,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 12:56:58,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 12:56:58,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 12:56:58,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 12:56:58,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... [2021-02-23 12:56:58,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 12:56:58,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 12:56:58,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 12:56:58,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 12:56:58,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 12:56:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 12:56:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 12:56:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 12:56:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 12:56:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 12:56:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 12:56:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 12:56:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 12:56:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 12:56:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 12:56:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 12:56:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 12:56:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 12:56:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 12:56:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 12:56:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 12:56:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 12:56:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 12:56:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 12:56:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 12:56:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 12:56:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 12:56:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 12:56:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 12:56:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 12:56:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 12:56:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 12:56:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 12:56:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 12:56:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 12:56:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 12:56:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 12:56:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 12:56:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 12:56:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 12:56:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 12:56:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 12:56:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 12:56:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 12:56:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 12:56:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 12:56:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 12:56:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 12:56:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 12:56:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 12:56:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2021-02-23 12:56:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 12:56:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-23 12:56:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 12:56:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 12:56:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 12:56:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 12:56:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 12:56:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 12:56:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 12:56:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 12:57:00,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 12:57:00,243 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 12:57:00,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:57:00 BoogieIcfgContainer [2021-02-23 12:57:00,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 12:57:00,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 12:57:00,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 12:57:00,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 12:57:00,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 12:56:58" (1/3) ... [2021-02-23 12:57:00,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730107f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:57:00, skipping insertion in model container [2021-02-23 12:57:00,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:56:58" (2/3) ... [2021-02-23 12:57:00,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4730107f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:57:00, skipping insertion in model container [2021-02-23 12:57:00,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:57:00" (3/3) ... [2021-02-23 12:57:00,262 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2021-02-23 12:57:00,270 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 12:57:00,275 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 12:57:00,300 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 12:57:00,331 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 12:57:00,332 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 12:57:00,332 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 12:57:00,332 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 12:57:00,332 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 12:57:00,332 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 12:57:00,332 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 12:57:00,333 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 12:57:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2021-02-23 12:57:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-23 12:57:00,364 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:00,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:00,366 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:00,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:00,372 INFO L82 PathProgramCache]: Analyzing trace with hash 461704966, now seen corresponding path program 1 times [2021-02-23 12:57:00,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:00,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641151810] [2021-02-23 12:57:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:00,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:00,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:00,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:00,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,130 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 12:57:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:57:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 12:57:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:01,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:01,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:01,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641151810] [2021-02-23 12:57:01,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:01,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 12:57:01,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113775669] [2021-02-23 12:57:01,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 12:57:01,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:01,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 12:57:01,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:57:01,265 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 3 states. [2021-02-23 12:57:02,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:02,449 INFO L93 Difference]: Finished difference Result 220 states and 294 transitions. [2021-02-23 12:57:02,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 12:57:02,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-02-23 12:57:02,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:02,464 INFO L225 Difference]: With dead ends: 220 [2021-02-23 12:57:02,464 INFO L226 Difference]: Without dead ends: 120 [2021-02-23 12:57:02,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:57:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-23 12:57:02,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 91. [2021-02-23 12:57:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 12:57:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2021-02-23 12:57:02,551 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2021-02-23 12:57:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:02,552 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2021-02-23 12:57:02,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 12:57:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2021-02-23 12:57:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-02-23 12:57:02,555 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:02,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:02,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 12:57:02,556 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:02,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:02,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1515988948, now seen corresponding path program 1 times [2021-02-23 12:57:02,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:02,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306621950] [2021-02-23 12:57:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:02,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:02,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:02,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:02,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:02,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:02,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:02,995 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:02,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 12:57:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:57:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-23 12:57:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:03,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:03,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:03,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306621950] [2021-02-23 12:57:03,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:03,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 12:57:03,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269711836] [2021-02-23 12:57:03,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 12:57:03,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:03,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 12:57:03,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 12:57:03,067 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 4 states. [2021-02-23 12:57:03,690 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:57:04,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:04,277 INFO L93 Difference]: Finished difference Result 149 states and 181 transitions. [2021-02-23 12:57:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 12:57:04,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-02-23 12:57:04,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:04,280 INFO L225 Difference]: With dead ends: 149 [2021-02-23 12:57:04,281 INFO L226 Difference]: Without dead ends: 104 [2021-02-23 12:57:04,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 12:57:04,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-23 12:57:04,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2021-02-23 12:57:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-23 12:57:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2021-02-23 12:57:04,338 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2021-02-23 12:57:04,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:04,338 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2021-02-23 12:57:04,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 12:57:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2021-02-23 12:57:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-23 12:57:04,352 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:04,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:04,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 12:57:04,353 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:04,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:04,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1970364841, now seen corresponding path program 1 times [2021-02-23 12:57:04,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:04,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745203957] [2021-02-23 12:57:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:04,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:04,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:04,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:04,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:04,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:57:04,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:57:04,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:57:04,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:04,919 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:04,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:04,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 12:57:04,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:04,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:04,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:04,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:04,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:04,992 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 12:57:04,994 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 12:57:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:05,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:05,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:05,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:57:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:05,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:05,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 12:57:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:05,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:05,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-23 12:57:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:05,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:05,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:05,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:05,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745203957] [2021-02-23 12:57:05,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:05,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:57:05,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686530384] [2021-02-23 12:57:05,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:57:05,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:05,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:57:05,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:57:05,043 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 8 states. [2021-02-23 12:57:05,567 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:57:06,026 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:06,417 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:06,827 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:07,770 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2021-02-23 12:57:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 12:57:07,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-02-23 12:57:07,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:07,773 INFO L225 Difference]: With dead ends: 162 [2021-02-23 12:57:07,773 INFO L226 Difference]: Without dead ends: 104 [2021-02-23 12:57:07,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 12:57:07,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-23 12:57:07,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2021-02-23 12:57:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-02-23 12:57:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2021-02-23 12:57:07,810 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2021-02-23 12:57:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:07,811 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2021-02-23 12:57:07,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:57:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-02-23 12:57:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 12:57:07,812 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:07,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:07,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 12:57:07,813 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:07,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:07,813 INFO L82 PathProgramCache]: Analyzing trace with hash -487875488, now seen corresponding path program 1 times [2021-02-23 12:57:07,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:07,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469856968] [2021-02-23 12:57:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:07,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:07,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:07,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,292 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:08,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 12:57:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 12:57:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 12:57:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-23 12:57:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:08,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 12:57:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:08,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:08,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:08,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469856968] [2021-02-23 12:57:08,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:08,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 12:57:08,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957496761] [2021-02-23 12:57:08,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 12:57:08,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:08,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 12:57:08,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 12:57:08,381 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2021-02-23 12:57:08,933 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:57:10,108 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:10,533 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:10,918 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:57:11,298 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:57:11,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:11,625 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2021-02-23 12:57:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 12:57:11,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2021-02-23 12:57:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:11,628 INFO L225 Difference]: With dead ends: 209 [2021-02-23 12:57:11,628 INFO L226 Difference]: Without dead ends: 151 [2021-02-23 12:57:11,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-02-23 12:57:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-02-23 12:57:11,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 136. [2021-02-23 12:57:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-23 12:57:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2021-02-23 12:57:11,677 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 61 [2021-02-23 12:57:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:11,677 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2021-02-23 12:57:11,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 12:57:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2021-02-23 12:57:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-23 12:57:11,679 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:11,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:11,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 12:57:11,680 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:11,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:11,680 INFO L82 PathProgramCache]: Analyzing trace with hash -718001478, now seen corresponding path program 1 times [2021-02-23 12:57:11,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:11,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305263165] [2021-02-23 12:57:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:11,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:11,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:11,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:11,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,044 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:57:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:57:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:57:12,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:57:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:57:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:57:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:57:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-23 12:57:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-23 12:57:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-23 12:57:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 12:57:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-23 12:57:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:57:12,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:57:12,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:57:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:57:12,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305263165] [2021-02-23 12:57:12,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:57:12,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 12:57:12,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37116217] [2021-02-23 12:57:12,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 12:57:12,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:57:12,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 12:57:12,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 12:57:12,134 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 5 states. [2021-02-23 12:57:12,619 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:57:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:57:13,262 INFO L93 Difference]: Finished difference Result 205 states and 247 transitions. [2021-02-23 12:57:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 12:57:13,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2021-02-23 12:57:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:57:13,266 INFO L225 Difference]: With dead ends: 205 [2021-02-23 12:57:13,266 INFO L226 Difference]: Without dead ends: 136 [2021-02-23 12:57:13,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 12:57:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-02-23 12:57:13,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2021-02-23 12:57:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-02-23 12:57:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2021-02-23 12:57:13,310 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 65 [2021-02-23 12:57:13,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:57:13,310 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2021-02-23 12:57:13,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 12:57:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2021-02-23 12:57:13,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-23 12:57:13,312 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:57:13,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:57:13,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 12:57:13,312 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:57:13,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:57:13,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1419086298, now seen corresponding path program 1 times [2021-02-23 12:57:13,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:57:13,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76581759] [2021-02-23 12:57:13,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:57:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 12:57:13,382 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 12:57:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 12:57:13,445 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 12:57:13,525 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 12:57:13,525 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 12:57:13,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 12:57:13,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 12:57:13 BoogieIcfgContainer [2021-02-23 12:57:13,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 12:57:13,648 INFO L168 Benchmark]: Toolchain (without parser) took 15557.37 ms. Allocated memory was 169.9 MB in the beginning and 369.1 MB in the end (delta: 199.2 MB). Free memory was 143.4 MB in the beginning and 161.3 MB in the end (delta: -17.8 MB). Peak memory consumption was 183.0 MB. Max. memory is 8.0 GB. [2021-02-23 12:57:13,649 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 169.9 MB. Free memory is still 143.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 12:57:13,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.74 ms. Allocated memory is still 169.9 MB. Free memory was 142.4 MB in the beginning and 122.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-23 12:57:13,650 INFO L168 Benchmark]: Boogie Preprocessor took 123.91 ms. Allocated memory is still 169.9 MB. Free memory was 122.7 MB in the beginning and 119.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-23 12:57:13,654 INFO L168 Benchmark]: RCFGBuilder took 1471.75 ms. Allocated memory is still 169.9 MB. Free memory was 118.8 MB in the beginning and 124.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. [2021-02-23 12:57:13,654 INFO L168 Benchmark]: TraceAbstraction took 13390.79 ms. Allocated memory was 169.9 MB in the beginning and 369.1 MB in the end (delta: 199.2 MB). Free memory was 124.0 MB in the beginning and 161.3 MB in the end (delta: -37.2 MB). Peak memory consumption was 163.5 MB. Max. memory is 8.0 GB. [2021-02-23 12:57:13,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 169.9 MB. Free memory is still 143.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 551.74 ms. Allocated memory is still 169.9 MB. Free memory was 142.4 MB in the beginning and 122.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.91 ms. Allocated memory is still 169.9 MB. Free memory was 122.7 MB in the beginning and 119.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1471.75 ms. Allocated memory is still 169.9 MB. Free memory was 118.8 MB in the beginning and 124.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 63.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13390.79 ms. Allocated memory was 169.9 MB in the beginning and 369.1 MB in the end (delta: 199.2 MB). Free memory was 124.0 MB in the beginning and 161.3 MB in the end (delta: -37.2 MB). Peak memory consumption was 163.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 170]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L783] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=168, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int retValue_acc ; [L857] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L863] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L867] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L868] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L850] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L554] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L556] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L562] tmp = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L566] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___2)) [L590] tmp___1 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L599] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L630] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L632] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] int tmp ; [L751] int tmp___0 ; [L752] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L756] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] tmp = isMethaneLevelCritical() [L758] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L762] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L762] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L762] tmp___0 = getWaterLevel() [L764] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L766] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L696] int retValue_acc ; [L699] retValue_acc = pumpRunning [L700] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L766] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L766] tmp___1 = isPumpRunning() [L768] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L772] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] reach_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 381 SDtfs, 475 SDslu, 209 SDs, 0 SdLazy, 999 SolverSat, 276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 101 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 85052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...